A long-standing weak spot in Earth’s magnetic field is getting weirder, and it may be splitting into two distinct zones of weakness. The South Atlantic Anomaly is a section of Earth’s magnetic field between Africa and South America. For decades…
The distance to the horizon is determined by different variables, including the temperature and your height. On a clear day, you can see for miles and miles and miles. The old saying turns out to be just about true. For…
If Earth started over, would intelligent life evolve again? If we all got together and started Earth over, winding time back to the moment right after the land cooled from hot magma and giant meteor showers stopped devastating the planet,…
Information about the laws of physics is effectively baked into gravitational waves, the ripples in spacetime created when massive objects such as black holes spiral into one another. At least 3,700 years ago, Babylonian mathematicians approximated the ratio of a…
One of the first questions scientists ask when a new disease appears is, “Where did this come from?” Many viruses jump from animals to humans, a phenomenon known as “zoonotic spillover.” Although it remains unclear which animal was the source…
A UFO photographed over Southern California may have come from the top-secret Area 51 airforce base, a prominent UFO hunter has claimed. The unidentified flying object (UFO) was photographed over Palm Springs, California, prompting claims of an alien craft in…